9. why ___? It is not very serious.

问题描述:

9. why ___? It is not very serious.
9.why ___? It is not very serious.
A. to worryB. worry C. not worry D. you are worried
为什么选择B?省略的是什么成分?

worry这里是动词,省略了主语.
如果是C,与语境不符,前后矛盾.
如果是D,应该为are you worried.